From: Timo Sirainen Date: Mon, 10 Feb 2020 16:19:34 +0000 (+0200) Subject: lib-index: Try to compress cache when it's about to become too large X-Git-Tag: 2.3.11.2~605 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4671d9c5744d728e030370a39df914cebefbefe;p=thirdparty%2Fdovecot%2Fcore.git lib-index: Try to compress cache when it's about to become too large --- diff --git a/src/lib-index/mail-cache-transaction.c b/src/lib-index/mail-cache-transaction.c index 0ff2545c4a..43779ba62d 100644 --- a/src/lib-index/mail-cache-transaction.c +++ b/src/lib-index/mail-cache-transaction.c @@ -254,10 +254,21 @@ mail_cache_transaction_open_if_needed(struct mail_cache_transaction_ctx *ctx) static int mail_cache_transaction_lock(struct mail_cache_transaction_ctx *ctx) { struct mail_cache *cache = ctx->cache; + const uoff_t cache_max_size = + cache->index->optimization_set.cache.max_size; int ret; mail_cache_transaction_open_if_needed(ctx); + if (!ctx->tried_compression && ctx->cache_data != NULL && + cache->last_stat_size + ctx->cache_data->used >= cache_max_size) { + /* Looks like cache file is becoming too large. Try to compress + it to free up some space. */ + if (cache->hdr->continued_record_count > 0 || + cache->hdr->deleted_record_count > 0) + (void)mail_cache_transaction_compress(ctx); + } + if ((ret = mail_cache_lock(cache)) <= 0) { if (ret < 0) return -1;